/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraRendererProperties.h
void GetFeedback ( [TArrayView](API\Runtime\Core\Containers\TArrayView)< [UMaterialInterface](API\Runtime\Engine\Materials\UMaterialInterface) * > Materials, [TArray](API\Runtime\Core\Containers\TArray)< [FNiagaraRendererFeedback](API\Plugins\Niagara\FNiagaraRendererFeedback) > & OutWarnings ) const